MESON Chess Problem Database

Problem Display
PID: 160897 (7r/3B1Rp1/NN1k1rR1/4n3/2p5/3n1p1p/1p5B/2bQ1K2 w - - 0 1)

Ageev, Gennadi Mikhailovich

Sinfonie Scacchistiche, 1988

7r/3B1Rp1/NN1k1rR1/4n3/2p5/3n1p1p/1p5B/2bQ1K2

#2

8 + 11

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Rxe6#
    • 1...c3
      • 2.Qxd3#
  • Keys
    • 1.Qxf3!
      • threat
        • 2.Sxc4#
      • 1...Rh4
        • 2.Sc8#
      • 1...Rc8
        • 2.Sxc8#
      • 1...Bf4
        • 2.Qd5#
      • 1...Sf4
        • 2.Qa3#
      • 1...c3
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • R(i);OGATE::R1(F),XR(i)
    • P(f);N_GUARD::QAR(A),XS(c)
  • Actual
    • Q(A);N_PINS(c),P_PINS(g),P_SPINQ(A),XP(d)
    • Threat
      • S(E),XP(f)
    • Vars
      • R(k);N_GUARD::S(E)
      • R(k);N_GUARD::S(E),XR(k)
      • B(a);N_PINQ(A),N_SPINS(g)::QAR1(A)
      • S(c);N_PINQ(A),N_SPINS(g)::QAB(A)
      • P(f);::S(E)
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